Control valve



FIG. 1 is a top, front and side perspective view of a control valve embodying my new design.

FIG. 2 is a bottom view thereof.

FIG. 3 is a first side view thereof.

FIG. 4 is a top view thereof.

FIG. 5 is a front view thereof

FIG. 6 is a second side view thereof; and,

FIG. 7 is a back view thereof.

The broken lines shown in FIGS. 1, 5, and 7 are included for the purpose of illustrating portions of the control valve and form no part of the claimed design. 

CLAIM The ornamental design for a control valve, as shown and described. 